1 files changed, 54 insertions, 0 deletions
diff --git a/src/test/isolation/specs/create-trigger.spec b/src/test/isolation/specs/create-trigger.spec
new file mode 100644
index 0000000..9d4710c
--- /dev/null
+++ b/src/test/isolation/specs/create-trigger.spec
@@ -0,0 +1,54 @@
+# CREATE TRIGGER - Add trigger with concurrent reads
+#
+# CREATE TRIGGER uses ShareRowExclusiveLock so we mix writes with it
+# to see what works or waits.
+
+setup
+{
+ CREATE TABLE a (i int);
+ CREATE FUNCTION f() RETURNS TRIGGER LANGUAGE plpgsql AS 'BEGIN RETURN NULL; END;';
+ INSERT INTO a VALUES (0), (1), (2), (3);
+}
+
+teardown
+{
+ DROP TABLE a;
+ DROP FUNCTION f();
+}
+
+session s1
+step s1a { BEGIN; }
+step s1b { CREATE TRIGGER t AFTER UPDATE ON a EXECUTE PROCEDURE f(); }
+step s1c { COMMIT; }
+
+session s2
+step s2a { BEGIN; }
+step s2b { SELECT * FROM a WHERE i = 1 FOR UPDATE; }
+step s2c { UPDATE a SET i = 4 WHERE i = 3; }
+step s2d { COMMIT; }
+
+permutation s1a s1b s1c s2a s2b s2c s2d
+permutation s1a s1b s2a s1c s2b s2c s2d
+permutation s1a s1b s2a s2b s1c s2c s2d
+permutation s1a s1b s2a s2b s2c s1c s2d
+permutation s1a s2a s1b s1c s2b s2c s2d
+permutation s1a s2a s1b s2b s1c s2c s2d
+permutation s1a s2a s1b s2b s2c s1c s2d
+permutation s1a s2a s2b s1b s1c s2c s2d
+permutation s1a s2a s2b s1b s2c s1c s2d
+permutation s1a s2a s2b s2c s1b s2d s1c
+permutation s1a s2a s2b s2c s2d s1b s1c
+permutation s2a s1a s1b s1c s2b s2c s2d
+permutation s2a s1a s1b s2b s1c s2c s2d
+permutation s2a s1a s1b s2b s2c s1c s2d
+permutation s2a s1a s2b s1b s1c s2c s2d
+permutation s2a s1a s2b s1b s2c s1c s2d
+permutation s2a s1a s2b s2c s1b s2d s1c
+permutation s2a s1a s2b s2c s2d s1b s1c
+permutation s2a s2b s1a s1b s1c s2c s2d
+permutation s2a s2b s1a s1b s2c s1c s2d
+permutation s2a s2b s1a s2c s1b s2d s1c
+permutation s2a s2b s1a s2c s2d s1b s1c
+permutation s2a s2b s2c s1a s1b s2d s1c
+permutation s2a s2b s2c s1a s2d s1b s1c
+permutation s2a s2b s2c s2d s1a s1b s1c